It's getting more confused as I dig more deeper into this
I getting the same data from two different addresses as I did the below
self->spwd = (uintptr_t *) copyin((uintptr_t)arg1, 4);
self->a = (char *) copyin((uintptr_t)arg1, 4);
printf("\nchar at address %a is %c\n",self->a,*self->a);
printf("\nchar at address%a is %c\n",self->a+1,*(self->a+1));
printf("\nchar at address%a is %c\n",self->a+2,*(self->a+2));
printf("\nchar at address%a is %c\n",self->a+3,*(self->a+3));
printf("\nchar at address%a is %c\n",self->a+4,*(self->a+4));
printf("\nchar at address%a is %c\n",self->a+5,*(self->a+5));
printf("\nchar at address%a is %c\n",self->a+6,*(self->a+6));
printf("\nchar at address%a is %c\n",self->a+7,*(self->a+7));
printf("\nchar at address%a is %c\n",self->a+8,*(self->a+8));
printf("\nchar at address%a is %c\n",self->spwd,*((char *) self->spwd));
printf("\nchar at address%a is %c\n",self->spwd+1,*((char *) self->spwd+1));
char at address 0x300dc9249b8 is p
char at address0x300dc9249b9 is q
char at address0x300dc9249ba is r
char at address0x300dc9249bb is s
char at address0x300dc9249bc is
char at address0x300dc9249bd is
char at address0x300dc9249be is
char at address0x300dc9249bf is
char at address0x300dc9249c0 is
char at address0x300dc9249b0 is p
char at address0x300dc9249b8 is q
0x300dc9249b8 and 0x300dc9249b0 contain char p?
I'll take a look at the link you suggested and read the DTrace UG again.
Thanks
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